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PostPosted: Tue 17 Jul, 2012 2:31 am 
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Joined: Thu 16 Jun, 2011 12:59 am
Posts: 17
Location: Gold Coast
Hi

good topic (one of my personal favs)

here's a thought for you (well two really)

* where did the water come from?
* how much water is in the cycle as part of organic metabolism?

You will note that plants respirate in the evenings as do organisms that do not photosynthesise (excluding geothermal which I'm uncertain about):
http://en.wikipedia.org/wiki/Cellular_r ... espiration

I sometimes do wonder about that 'water cycle' stuff which is a bit high school. (not that its wrong, just incomplete)


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